Performance Verification
2-26 WFM700 Series Waveform Monitors Service Manual
Reference level
Packets
Figure 2- 8: HD GBR frequency response performance screen
14. Calculate the percent amplitude variation using the formula:
Amplitude Variation 100 ÆSmallest Packet ReferenceÉ
Reference
15. CHECK that the calculated measurement is between 10% (typical).
16. Measure the amplitude of the largest packet. Note the Largest Packet
measurement. See Figure 2--8.
17. Calculate the percent amplitude variation using the formula:
Amplitude Variation 100 ÆLargest Packet ReferenceÉ
Reference
18. CHECK that the calculated measurement is between 10% (typical).
19. Move the cable from the PIX G/Y to the PIX B/Pb connector.
20. Repeat steps 12 through 18.
21. Move the cable from the PIX B/Pb to the PIX R/Pr connector.
22. Repeat steps 12 through 18.
